A Study on the low voltage secondary distribution method

2차 저압 배전방식 관한 연구

In Korea, the low voltage secondary distribution method comprises lots of the maintainable and conservative problems. So, this paper deals with the plans to solve and decide the unification of the low voltage secondary. That is ; for the unification plan of the low voltage secondary must be previously solved the breaking of netural line in $3{\phi}4W$, $1{\phi}3W$ and enacted the flicker criteria in distribution power system. To decide the low voltage secondary should take into considersion by economics, security and future. The flicker fluctuation in the low voltage secondary 7.4% in responsibility limited place and under 10% in Arc welding. To prevent the netural line in $3{\phi}4W$, $1{\phi}3W$ must be thoroughly constructructed, joined the two sleeves.